You are watching In a Madman's World the movie produced in United States of America belongs with duration 122 Min in Category Crime,Drama,Horror,Thriller,. broadcast at streamingjoy.com , by [ Chance Allen Productions ] Directly based upon the infamous Houston Mass Murders, the film centers around Elmer Wayne Henley's life before, during, and immediately after his involvement with Dean Corll and David Brooks, and their killing spree of over 28 victims from 1970 to 1973..